Team

David Aitken

Retired Partner
David has over 35 years of experience practicing exclusively in intellectual property law. He is a seasoned litigator with an...
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Marcus Klee

Managing Partner
Marcus is a seasoned trial and appellate lawyer representing clients in complex intellectual property litigation matter in a all areas...
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Jonathan Stainsby

Partner
Jon is a partner in Aitken Klee’s Toronto office. Jon is recognized by Chambers Global, Lexpert, Benchmark Litigation (Local Litigation Star),...
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Bill Mayo

Partner
Bill is partner in Aitken Klee’s Toronto office. His practice involves all aspects of intellectual property law, including strategic advice, litigation,...
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Mike Crinson

Partner
Michael Crinson is one of Canada’s most experienced intellectual property law trial counsel and is recognized for his creative thinking...
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Lesley Caswell

Partner
Lesley is a partner in Aitken Klee’s Ottawa office specializing in patent issues including patent clearance and validity opinions and...
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Bryan Norrie

Partner
Bryan Norrie is a partner at Aitken Klee LLP in the Ottawa office. Mr. Norrie specializes in the litigation of...
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Scott Beeser

Partner
Scott is a partner in Aitken Klee’s Toronto Office with deep experience in the pharmaceutical and biopharmaceutical sectors. Prior to...
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Jonathan Giraldi

Associate
Jonathan is an experienced trial lawyer who has been involved in both actions and applications before the Federal Court and...
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Devin Doyle

Associate
Devin Doyle practices intellectual property law with a focus on complex patent and copyright litigation. Devin is an experienced advocate...
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Aleem Abdulla

Associate
Aleem graduated from the University of Toronto Faculty of Law in 2013. He completed his articles at a well-respected national...
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Jessica Sudbury

Associate
Jessica Sudbury practices intellectual property law in both French and English with a focus on patent litigation and prosecution. Jessica...
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Yaseen Manan

Associate
Yaseen Manan is an associate with Aitken Klee LLP practicing in the area of intellectual property litigation. Yaseen was called...
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Brendan Peters

Associate
Brendan Peters practices intellectual property law with a focus on patent litigation. Brendan obtained his law degree from Dalhousie University’s...
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Mary Murray

Law Student
Mary Murray is a third-year law student at Aitken Klee LLP Ottawa. Mary assists with legal research, drafting, and administrative...
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Rob Youngson

Law Student
Rob Youngson is a third-year law student at Aitken Klee LLP Ottawa. Rob assists with legal research, drafting, and administrative...
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Dawn Trach

Law Clerk
Dawn is an Intellectual Property Litigation law clerk. Dawn assists with electronic and paper document management, preparation of documents used...
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Jennifer Nahorniak

Law Clerk
Jennifer is law clerk specializing in Intellectual Property litigation matters in a variety of industries. Jennifer provides lawyers with support...
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